Not Vietnamese, but some guy on soundcloud uploaded seven thousand tracks of music from Myanmar, and in other news Soundcloud might lose a copyright lawsuit and have to shut down soon. So listen to the completely unidentifiable music from Myanmar while you still can:

Catherine Christer Hennix-Live At Issue Project RoomYoshiko Sai-MangekyouThe World Is A Beautiful Place And I No Longer Want To Die-Always ForeignBen Frost-The Centre Cannot HoldRabit-Les Fleurs Du Mal